Answer:
C
Step-by-step explanation:
x = -4 or x = 2.5
2x^2 + 3x - 20 = 0
(x + 4) (2x - 5) = 0
either x + 4 = 0 or 2x - 5 = 0
1. 0
2. 0,x=0
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ako putekkkkk
a²·b²